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ALSA gets stuck on Jacinto-6 EVM


I am trying to render some audio (mono/stereo) using ALSA on Jacinto-6 EVM running with GLSDK 6-10, with linux 3.12.25.

I am opening alsa in blocking mode. At random intervals, the "snd_pcm_writei" call gets stuck.

strace shows the the call is stuck on " poll([{fd=11, events=POLLOUT|POLLERR|POLLNVAL}], 1, -1"

it never recovers or returns after this stage.

Could someone help me to know why this is occurring and what could be the possible solution to this?